Finding the Fourth Proportional to 376,898.08, 520,129.20 and 207,136.66
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Solution
The fourth proportional to 376,898.08, 520,129.20 and 207,136.66 is: 285,854.00
Step by Step Solution
- Step 1: Write the proportion equation
376,898.08 : 520,129.20 = 207,136.66 : x - Step 2: Convert to fraction form
376,898.08/520,129.20 = 207,136.66/x - Step 3: Cross multiply
376,898.08x = 520,129.20 × 207,136.66 - Step 4: Simplify right side
376,898.08x = 107,737,825,256.47 - Step 5: Solve for x
x = 107,737,825,256.47/376,898.08 - Step 6: Final answer
x = 285,854.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.